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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6194678
    Disgrifiad
    Article entitled The Machynlleth Parc Copper Mine by Trevor Morris, published in The Montgomeryshire Collections, volume 62 1972
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Text.
    Cychwynnwr
    Trevor Morris
    Dyddiad
    c. 1972